scroll bar

音标发音

When all the header information for calendar entries cannot be displayed completely for a day in a calendar view, the day displays a horizontal scroll bar.
在日程表视图中，当一天中的所有日程表条目的标题信息无法完全显示时，则为这一天显示一个横向滚动条。
Drawing API calls are particularly expensive because they usually create objects, such as the scroll bar, dynamically on the Stage before rendering them via the rasterizer.
绘图API的调用特别昂贵，因为它们通常会创建对象, 如滚动条，在通过光栅渲染他们之前动态加载到舞台上。
This lets users bookmark pages, but at the same time provides them with a scroll bar on the body content so that the left navigation menu and header remain visible at all times.
这使用户可以对页面做书签，但是同时又为他们提供了正文内容上的滚动条，这样左侧导航菜单和标题在任何时间都保持可见。

In the meantime, the phone will let you scroll by tilting it back and forward, which seems like it might be a nice upgrade over having to touch the scroll bar all the time.
FORBES: Galaxy S4: Will Samsung Continue to Rule the Universe?
Thing is, was ditching the scroll wheel and that trick mirrored bar in favor of a joystick really the right way to go?
ENGADGET: Amazon's Kindle 2 in the wild?

a long, thin strip at the side of a computer window, used for moving its contents up, down, or across

On a computer screen, a scroll bar is a long thin box along one edge of a window, which you click on with the mouse to move the text up, down, or across the window.